Stephen C. Hatfield
12Patents
9h-index
8Co-inventors
61Inventor score
Filing activity: Jun 20, 1986 → May 15, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6819733B2 | Fuel assembly and associated grid for nuclear reactor | Emerging Cross-Sectional Technologies | 47 | Expired |
| US4879090A | Split vaned nuclear fuel assembly grid | Emerging Cross-Sectional Technologies | 38 | Expired |
| US5024807A | Debris catching spring detent spacer grid | Emerging Cross-Sectional Technologies | 35 | Expired |
| US5367549A | Hexagonal grid | Emerging Cross-Sectional Technologies | 29 | Expired |
| US5307393A | Split vane alternating swirl mixing grid | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4844860A | Support grid with integral vanes | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4728489A | Support grid with integral vanes | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4792429A | Spring retention cap | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5369242A | Split beam laser welding apparatus | Performing Operations; Transporting | 10 | Expired |
| US5331678A | Spacer grid rod support system | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5343508A | Spacer grid retainer | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4863681A | Replacement rod | Emerging Cross-Sectional Technologies | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.